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Replacing fluorocarbons with hydrocarbon mixtures in centrifugal water chillers.

Author(s) : TADROS A., CLARK J. W., MACLAINE-CROSS I. L., et al.

Summary

Environmental impacts and legislation require centrifugal water chillers cease using fluorocarbon refrigerants. For fluorocarbon refrigerants R-123, R-11, R-245ca, R-134a and R-12 with spray and flooded evaporators, we calculated mixture compositions, rotor speeds and coefficients of performance for hydrocarbon replacements. For example replacing HCFC-123 in a flooded evaporator with pentane/hexane [90.1/9.9] and increasing the rotor speed by 43% will increase the coefficient of performance by 4.9% at the same cooling capacity.

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Pages: 2006-2

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Details

  • Original title: Replacing fluorocarbons with hydrocarbon mixtures in centrifugal water chillers.
  • Record ID : 2008-0306
  • Languages: English
  • Source: 7th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2006). Proceedings
  • Publication date: 2006/05/29

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